A small animal acto-ballistocardiograph - Description and illustrations of its use
Actoballistocardiography based on piezoelectricity for biorythmic activity, respiratory movements and heart rate of small animals
Rogallo, V. L.↗
Engineering topics
Rogallo, V. L.
Publications and source records attributed to Rogallo, V. L..
A piezoelectric transducer for measuring cardiac and gross motor activity of small organisms
Sensitive piezoelectric transducer with electric and mechanical noise rejection features for measuring cardiac and gross motor activity of small organisms
Deboo, G. J.↗
Force transducer Patent
Piezoelectric transducer for detecting and measuring micrometeoroids
Rogallo, V. L.↗
Method permits mechanical and electrical checkout of piezoelectric transducers while installed in a system
Known dc voltage is applied and then removed suddenly in a method to permit checkout of the mechanical and electrical condition of piezoelectric transducers of the cantilever beam type, while installed in a system.
Jenkins, R. S.↗
Miniature piezoelectric triaxial accelerometer measures cranial accelerations
Tiny triaxial accelerometer whose sensing elements are piezoelectric ceramic beams measures human cranial accelerations when a subject is exposed to a centrifuge or other simulators of g environments. This device could be considered for application in dental, medical, and automotive safety research.
Deboo, G. J.↗
Null-type vacuum microbalance Patent
Null-type vacuum microbalance for measuring minute mechanical displacements
Rogallo, V. L.↗
A wide-range piezoelectric momentum transducer for measuring micrometeoroid impacts
Piezoelectric momentum transducer for measuring micrometeoroid impact
TRANSDUCER↗
Preliminary study of the use of a momentum transducer to measure the heart beat of avian embryos
Ultrasensitive momentum transducer used as ballistocardiograph for measuring heart beat of avian embryos
EMBRYO↗
Two-component microbalance for measuring the forces on ion-bombarded surfaces
Two-component null-type microbalance for measurement of forces on ion bombarded surface
ION BOMBARDMENT↗
Propeller blade loading control Patent
Directed fluid stream for propeller blade loading control
Rogallo, V. L.↗
Ultra-sensitive transducer advances micro-measurement range
An ultrasensitive piezoelectric transducer, that converts minute mechanical forces into electrical impulses, measures the impact of micrometeoroids against space vehicles. It has uniform sensitivity over the entire target area and a high degree of stability.
Rogallo, V. L.↗
TWO-COMPONENT MICROBALANCE FOR MEASURING THE FORCES ON ION-BOMBARDED SURFACES
Ion bombardment forces on flat metal plate measured by two-component microbalance based on attracted disk electrometer principle
METAL PLATE↗
Two-component microbalance for measuring the forces on ion-bombarded surfaces
Two-component microbalance for measuring forces on ion-bombarded surfaces
MICROBALANCE↗
Prediction of first-order vibratory stresses for a propeller operating in the flow field of a wing-nacelle-fuselage combination
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Rogallo, V. L.↗